<!doctype html>
<html>
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <link href="./output.css" rel="stylesheet" />
    </head>
    <body>
        <!--<h1 class="text-3xl font-bold underline">
    Hello world!
  </h1>-->
    </body>
</html>
